Accrued Expenses and Other Long-Term Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Expenses and Other Long-Term Liabilities [Abstract]

Accrued expenses and other long-term liabilities

Accrued expenses and other long-term liabilities consisted of the following (in millions):

	Accrued Expenses				Other Long- Term Liabilities
	December 31,
	2016		2015		2016		2015
Defined benefit plan liabilities (see Note 12)	$	32	$	40	$	742	$	719
Wage and other employee-related liabilities	225		292		103		100
Uncertain income tax position liabilities (see Note 14)	—		—		465		148
Environmental liabilities	29		27		223		231
Environmental credit obligations (see Note 18)	214		8		—		—
Accrued interest expense	104		96		—		—
Other accrued liabilities	90		91		211		413
Accrued expenses and other long-term liabilities	$	694	$	554	$	1,744	$	1,611